Industrial Automation » Input/Output Modules

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Used plc peripheral modules

  • Trusted Seller
    Allen Bradley 1734-AENTR Series B,

    Allen Bradley 1734-AENTR Series B, 2 Port Ethernet/IP TP I/O Adapter

    • Manufacturer: Allen-Bradley
    • Model: 1734

    PLEASE REVIEW: We would ask that potential buyers please view all of the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. Your purchase includes a...

    $250 USD
    Suwanee, GA
  • Trusted Seller
    Siqura VBS 2020 RX-3

    Siqura VBS 2020 RX-3

      1 in stock The Siqura VBS 2020 RX-3 is a product made by Siqura, designed for industrial automation and motion control applications. It is a PLC peripheral module that offers input and output capabilities for var...

      $443 USD
      New York, USA
    • Trusted Seller
      5361 CT Control Technology 2201

      5361 CT Control Technology 2201 32 Channel Input Module

      • Manufacturer: CT Control Technology

      You Are Buying a CT Control Technology 2201 32 Channel Input Module New. Open Box. Sold As. Is. CT Control Technology 32 Channel Input Module Mod: 2201 Please Ask Any Question or Concern Before Bidding 5361 All ...

      $250 USD
      Grand Prairie, TX
    • Trusted Seller
      6062 National Instruments NI-9205, 193299E-01

      6062 National Instruments NI-9205, 193299E-01 Voltage Input Module

      • Manufacturer: National Instruments

      You Are Buying a National Instruments NI-9205, 193299E-01 Voltage Input Module Used. Sold As Is. National Instruments Voltage Input Module Mod: NI-9205 P/N: 193299E-01 Please Ask Any Question or Concern Before Bi...

      $850 USD
      Grand Prairie, TX
    • Emerson KJ3243X1-BK1 DeltaV Profibus DP

      Emerson KJ3243X1-BK1 DeltaV Profibus DP Interface Card NEW Open Box F2

      • Manufacturer: Emerson
      • Model: KJ3243

      NEW Open Box Emerson DeltaV Profibus DP Interface Card Cat #: KJ3243X1-BK1 12P4691X042 Rev F New in Original Open Box New (Other) Surplus, Excess Inventory Located at Bitter End Trading LLC in Springfield, NH See...

      $2,200 USD
      Springfield, NH
    • NEW Emerson KJ3243X1-BK1 DeltaV Profibus

      NEW Emerson KJ3243X1-BK1 DeltaV Profibus DP Interface Card - Sealed Bag E17

      • Manufacturer: Emerson
      • Model: KJ3243

      NEW Open Box Emerson DeltaV Profibus DP Interface Card Cat #: KJ3243X1-BK1 Rev F New in Original Open Box Static Bag with Intact Seal as Shown New (Other) Surplus, Excess Inventory Located at Bitter End Trading L...

      $2,700 USD
      Springfield, NH
    • 2025 Sealed Allen-Bradley 5069-OF4/ A

      2025 Sealed Allen-Bradley 5069-OF4/ A Compact 5000 Analog Output Module

      • Manufacturer: Allen-Bradley

      2025 Sealed Allen-Bradley 5069-OF4/ A Compact 5000 Analog Output Module In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask an...

      $600 USD
      Houston, TX
    • 2025 Sealed Allen Bradley 5069-IF8

      2025 Sealed Allen Bradley 5069-IF8 /A Compact Logix 5000 Input Module

      • Manufacturer: Allen-Bradley

      2025 Sealed Allen Bradley 5069-IF8 /A Compact Logix 5000 Input Module In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask any ...

      $700 USD
      Houston, TX
    • Sealed Allen Bradley 5069-OW16 /B

      Sealed Allen Bradley 5069-OW16 /B CompactLogix 16-Ch Relay Output Module

      • Manufacturer: Allen-Bradley
      • Model: 5069

      Sealed Allen Bradley 5069-OW16 /B CompactLogix 16-Ch Relay Output Module In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask a...

      $600 USD
      Houston, TX
    • New Sealed Allen Bradley 5094-OB16

      New Sealed Allen Bradley 5094-OB16 A Flex 5000 16pt Safety Digital Output Module

      • Manufacturer: Allen-Bradley

      New Sealed Allen Bradley 5094-OB16 A Flex 5000 16pt Safety Digital Output Module In new working and cosmetic condition. New sealed. See pictures. I will ship within one business day. International buyers are welc...

      $600 USD
      Houston, TX
    • New Sealed Allen Bradley 5094-IF8

      New Sealed Allen Bradley 5094-IF8 Ser A Flex 5000 8-Ch Analog Input Module

      • Manufacturer: Allen-Bradley

      New Sealed Allen Bradley 5094-IF8 Ser A Flex 5000 8-Ch Analog Input Module In new working and cosmetic condition. Never used. I will ship within one business day. International buyers are welcome Feel free to ask...

      $900 USD
      Houston, TX
    • Trusted Seller
      LG G4Q-TR2B Output Module PLC

      LG G4Q-TR2B Output Module PLC Unit K4Y-204S PL2324001 Reseller Lot of 14 Used

      • Manufacturer: LG

      LG G4Q-TR2B Output Module PLC Unit K4Y-204S PL2324001 Reseller Lot of 14 Used Inventory # G2348 This LG G4Q-TR2B Output Module PLC Reseller Lot of 14 is used working surplus. The physical condition is good, but t...

      $607 USD
      Albuquerque, NM
    • Allen-Bradley 1771-OA Series B -

      Allen-Bradley 1771-OA Series B - PLC-5 Digital Output Module, 120V AC, 8-Point

      • Manufacturer: Allen-Bradley

      Enhance your automation system with the Allen-Bradley 1771-OA Series B PLC-5 Digital Output Module. This 120V AC, 8-point module is designed for seamless integration into your existing setup, providing reliable a...

      $1,120 USD
      Cedar Rapids, IA
    • Trusted Seller
      Allen-Bradley 1734-232ASCII

      Allen-Bradley 1734-232ASCII

      • Manufacturer: Allen-Bradley
      • Model: 1734

      “This item was removed from working equipment, inspected, cleaned and found in very good condition.”

      $323 USD
      Saint-Jean-sur-Richelieu, Canada
    • Novatech 8521-EB-NV Input Module Controller

      Novatech 8521-EB-NV Input Module Controller

      • Manufacturer: Novatech

      Upgrade your automation systems with the Novatech 8521-EB-NV Input Module Controller . This versatile input module is designed to deliver precise control and monitoring capabilities, making it an essential compon...

      $1,500 USD
      Acworth, GA
    2223242526

    Overview

    Input/Output (I/O) modules are essential components in industrial automation systems. They serve as the interface between various field devices and the control system, allowing the exchange of data and signals. I/O modules can handle both analog and digital inputs and outputs, making them crucial for monitoring and controlling processes in manufacturing, energy, and other sectors.

    FAQ

    What should I consider when buying an I/O module?

    Consider the compatibility with your existing control system, the number of input and output channels, and the type of signals (analog or digital) it supports. Reliability and ease of integration are also important factors.

    How do I ensure the I/O module is shipped safely to my location?

    Use a reputable shipping service that specializes in electronics. Ensure the module is properly packaged with anti-static materials and secured to prevent damage during transit.

    What is the maintenance schedule for an I/O module?

    Regular maintenance includes inspecting connections for wear or corrosion, ensuring the module is clean and free from dust, and checking for any firmware updates from the manufacturer. Consult the manufacturer’s manual for detailed maintenance intervals.